Researchers used a special laser 3D printing method to melt fake lunar soil into layers and fused it with a base surface to manufacture small, heat-resistant objects, potentially paving the way to more sustainable and cost-effective space missions, a new study suggests.

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Apple’s all-new MacBook features a durable aluminum design, a stunning 13-inch Liquid Retina display, the power of Apple silicon, and all-day battery life — all for the breakthrough starting price of just $599

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特朗普还称,美国要彻底摧毁伊朗海军,并已经击沉了其10艘舰艇。(央视新闻)